Dorman 521-329 Rear Lateral Arm & Ball Joint Assembly 11-13 Kia Optima
Confirm Fitment Before You Buy
Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price
$41.13
Select your vehicle at the top of the page to check fitment.
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Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.
This lateral arm and ball joint assembly is precision-engineered and rigorously tested to provide reliable replacement for the original equipment on specific vehicles.
- Direct replacement - fits and performs like the original equipment on specific vehicles
- Reliable fit - precision-engineered to match the design and dimensions of original components
- Durable construction - manufactured to strict standards using sturdy, safe materials
- Rigorously tested - thorough quality control measures ensure longevity
Vehicle Fitment
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2013 | Kia | Optima | Rear Left/Rear Right | w/Aluminum Knuckles; w/Electric Parking Brake; 2.4L L4 |
| 2011-2013 | Kia | Optima | Rear Left/Rear Right | w/Steel Knuckles; 2.4L L4 |
| 2011-2013 | Kia | Optima | Rear Left/Rear Right | 2.0L L4 |
Please confirm the part number and your vehicle's year, make, model and engine before ordering. Questions? Message us with your VIN and we'll check fitment for you.
Specifications
| Brand | Dorman |
|---|---|
| Part Number | 521-329 |
| UPC | 019495262503 |
| Placement | Rear, Left, Right |
| Material | Steel |
| Length | 195.5 mm |
| Color | Black |
| Mounting Hardware Included | Yes |
| Shape | Straight |
| Adjustable | No |
| Bushing Material | Rubber |
| Bushing Color | Black |
| Construction | Tubular |
| Finish | Painted |
| Bearing Material | Polymer |
| Stud Type | Threaded |
| Sheen Level | Semi-Gloss |
| End 1 Type | Ball Joint |
| End 2 Type | Bushing |
| Mount Stud Quantity | 1 |
| Pre-Greased | Yes |
| Castle Nut Included | Yes |
| Grease Fitting Included | No |
| Bushings Included | Yes |
| Ball Joint Mounting Type | Machined |
| Cotter Pin Included | No |
| Grade Type | Standard Replacement |
| Greaseable | No |
| Attachment Type | Ball Joint |
| Ball Joint Included | Yes |
| Ball Joint Installed | Yes |
| Ball Joint Stud Type | Threaded |
| Control Arm Type | Tubular |
| Package Contents | 1 Lateral Arm; 1 Ball Joint; 1 Castle Nut; 1 Cotter Pin |
| Stud Thread Diameter | 10 mm |
| Country of Origin | Thailand |
| Warranty | Limited Lifetime |
OE & Interchange Numbers
| 552503R000 | Kia (OE) |
|---|---|
| TC3236 | Interchange |
| CMS901070 | Interchange |
| RK622793 | Interchange |